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3.4.5.2. Instance 21/71 - DeviceNet Standard (4 bytes, parameter f830 = 1)
Byte
Bit 7
Bit 6
0
-
Net Ref
1
2
3
Byte
Bit 7
Bit 6
At
Ref from
0
reference **
Net **
1
2
3
* Bit 5 and 6 of the instance 21 byte 0 are defined as follows.
Bit 5 (Net Ctrl)................. When "1" is set, bits 0 (Run forward) and 1 (Run reverse) of byte 0 are enabled.
Bit 6 (Net Ref)................. When "1" is set, bytes 2 and 3 are enabled. When "0" is set, Drive Reference
** Bit 5, 6, and 7 of the instance 71 byte 0 are defined as follows.
Bit 5 (Ctrl from Net)......... When RUN/STOP command from DeviceNet is enabled, "1" is set.
Bit 6 (Ref from Net)......... When frequency command from DeviceNet is enabled, "1" is set.
Bit 7 (At reference) ......... When output frequency becomes the same as frequency command, "1" is set.
*** Drive Status is same as the Control Supervisor class State attribute (refer to section 3.7.2).
1 (= BN: 00000001): Startup
2 (= BN: 00000010): Not Ready
3 (= BN: 00000011): Ready
4 (= BN: 00000100): Enabled
5 (= BN: 00000101): Stopping
6 (= BN: 00000110): Fault Stop
7 (= BN: 00000111): Faulted
Bit 5
Bit 4
*
Net Ctrl
*
-
Drive Reference Speed min
Drive Reference Speed min
Fig. 3 Output Instance 21 Layout
Bit 5
Bit 4
Ctrl from
Ready
Net **
Drive Status ***
Drive Reference Speed min
Drive Reference Speed min
Fig. 4 Input Instance 71 Layout
When "0" is set, Run/Stop is according to setup of the parameter cmod.
Speed is according to setup of the parameter fmod.
- 14 -
Bit 3
Bit 2
-
Fault reset
-
-1
(Low byte)
-1
(High byte)
Bit 3
Bit 2
Running
Running
Reverse
Forward
-1
(Low byte)
-1
(High byte)
E6581281
Bit 1
Bit 0
Run
Run
reverse
forward
Bit 1
Bit 0
Faulted/
Warning
tripped
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